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-rw-r--r--cpio/cpio.c66
1 files changed, 59 insertions, 7 deletions
diff --git a/cpio/cpio.c b/cpio/cpio.c
index 025c50cfafd2..2c28d884dbe3 100644
--- a/cpio/cpio.c
+++ b/cpio/cpio.c
@@ -119,6 +119,7 @@ static void mode_in(struct cpio *);
static void mode_list(struct cpio *);
static void mode_out(struct cpio *);
static void mode_pass(struct cpio *, const char *);
+static const char *remove_leading_slash(const char *);
static int restore_time(struct cpio *, struct archive_entry *,
const char *, int fd);
static void usage(void);
@@ -155,9 +156,9 @@ main(int argc, char *argv[])
else {
#if defined(_WIN32) && !defined(__CYGWIN__)
lafe_progname = strrchr(*argv, '\\');
-#else
- lafe_progname = strrchr(*argv, '/');
+ if (strrchr(*argv, '/') > lafe_progname)
#endif
+ lafe_progname = strrchr(*argv, '/');
if (lafe_progname != NULL)
lafe_progname++;
else
@@ -574,6 +575,49 @@ mode_out(struct cpio *cpio)
archive_write_free(cpio->archive);
}
+static const char *
+remove_leading_slash(const char *p)
+{
+ const char *rp;
+
+ /* Remove leading "//./" or "//?/" or "//?/UNC/"
+ * (absolute path prefixes used by Windows API) */
+ if ((p[0] == '/' || p[0] == '\\') &&
+ (p[1] == '/' || p[1] == '\\') &&
+ (p[2] == '.' || p[2] == '?') &&
+ (p[3] == '/' || p[3] == '\\'))
+ {
+ if (p[2] == '?' &&
+ (p[4] == 'U' || p[4] == 'u') &&
+ (p[5] == 'N' || p[5] == 'n') &&
+ (p[6] == 'C' || p[6] == 'c') &&
+ (p[7] == '/' || p[7] == '\\'))
+ p += 8;
+ else
+ p += 4;
+ }
+ do {
+ rp = p;
+ /* Remove leading drive letter from archives created
+ * on Windows. */
+ if (((p[0] >= 'a' && p[0] <= 'z') ||
+ (p[0] >= 'A' && p[0] <= 'Z')) &&
+ p[1] == ':') {
+ p += 2;
+ }
+ /* Remove leading "/../", "//", etc. */
+ while (p[0] == '/' || p[0] == '\\') {
+ if (p[1] == '.' && p[2] == '.' &&
+ (p[3] == '/' || p[3] == '\\')) {
+ p += 3; /* Remove "/..", leave "/"
+ * for next pass. */
+ } else
+ p += 1; /* Remove "/". */
+ }
+ } while (rp != p);
+ return (p);
+}
+
/*
* This is used by both out mode (to copy objects from disk into
* an archive) and pass mode (to copy objects from disk to
@@ -585,7 +629,6 @@ file_to_archive(struct cpio *cpio, const char *srcpath)
const char *destpath;
struct archive_entry *entry, *spare;
size_t len;
- const char *p;
int r;
/*
@@ -639,10 +682,7 @@ file_to_archive(struct cpio *cpio, const char *srcpath)
"Can't allocate path buffer");
}
strcpy(cpio->pass_destpath, cpio->destdir);
- p = srcpath;
- while (p[0] == '/')
- ++p;
- strcat(cpio->pass_destpath, p);
+ strcat(cpio->pass_destpath, remove_leading_slash(srcpath));
destpath = cpio->pass_destpath;
}
if (cpio->option_rename)
@@ -1139,12 +1179,24 @@ cpio_rename(const char *name)
static char buff[1024];
FILE *t;
char *p, *ret;
+#if defined(_WIN32) && !defined(__CYGWIN__)
+ FILE *to;
+ t = fopen("CONIN$", "r");
+ if (t == NULL)
+ return (name);
+ to = fopen("CONOUT$", "w");
+ if (to == NULL)
+ return (name);
+ fprintf(to, "%s (Enter/./(new name))? ", name);
+ fclose(to);
+#else
t = fopen("/dev/tty", "r+");
if (t == NULL)
return (name);
fprintf(t, "%s (Enter/./(new name))? ", name);
fflush(t);
+#endif
p = fgets(buff, sizeof(buff), t);
fclose(t);